Home / 99,430.28-149,123.82-32,854.64

Finding the Fourth Proportional to 99,430.28, 149,123.82 and 32,854.64

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Solution

The fourth proportional to 99,430.28, 149,123.82 and 32,854.64 is: 49,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,430.28 : 149,123.82 = 32,854.64 : x
  2. Step 2: Convert to fraction form
    99,430.28/149,123.82 = 32,854.64/x
  3. Step 3: Cross multiply
    99,430.28x = 149,123.82 × 32,854.64
  4. Step 4: Simplify right side
    99,430.28x = 4,899,409,421.52
  5. Step 5: Solve for x
    x = 4,899,409,421.52/99,430.28
  6. Step 6: Final answer
    x = 49,274.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.